Coal Gravel 20mm #

Description

Coal Gravel 20mm

Create bold contrast and modern appeal with Coal Gravel 20mm, a premium decorative crushed stone featuring a deep black colour and striking natural finish.

Made from crushed granite, this gravel delivers a clean, contemporary look while providing the durability needed for both decorative and functional landscaping applications. It is one of the most popular dark stone options, ideal for creating strong visual impact in outdoor spaces.

The 20mm size offers a coarse, open texture, making it perfect for areas requiring drainage, durability and a bold statement finish.

Key Features & Benefits

Striking black finish — Deep charcoal tones create strong contrast in modern landscape designs.

20mm size for durability — Larger stones provide stability and improved drainage.

Premium crushed granite — Hard-wearing material suitable for long-term outdoor use.

Versatile application — Ideal for driveways, garden beds, pathways and feature areas.

Low-maintenance surface — Helps reduce weed growth and retains its appearance over time.

What It’s Used For

Driveways & Parking Areas — Ideal for decorative driveways with strong visual impact.

Garden Beds & Feature Areas — Creates a bold contrast against plants, pavers and walls.

Pathways & Walkways — Suitable for larger paths where a coarser gravel is preferred.

Courtyards & Outdoor Spaces — Adds a modern, low-maintenance surface finish.

Why It Performs Well

Coal Gravel 20mm is made from crushed granite stone, allowing it to:

• Maintain colour and structure over time
• Provide excellent drainage due to larger particle size
• Resist breakdown under traffic
• Deliver a bold, consistent surface finish

This makes it ideal for projects where both durability and aesthetics are important.

Important Product Characteristics

Decorative crushed gravel — Designed for visual appeal and functional landscaping use.

Coarse 20mm profile — Less compact than finer gravels but offers better drainage and durability.

Natural variation in colour and size — Product may vary between batches.

Not a structural base material — For load-bearing areas, a compacted base layer is recommended underneath.

Installation Tips

• Lay over weed mat or compacted base for best results
• Apply at a depth of 75–100mm for good coverage
• Use edging to contain gravel and maintain clean lines
• Rake level for a consistent finish

Practical Information

This product is supplied as a bulk decorative gravel, suitable for delivery directly to your project site.

Also available in Bulka Bags (1m³) for sites with restricted access or limited space.

Due to the natural materials used, colour, size and texture may vary between batches, which is normal.

This product is not available for collection.
Due to our site restrictions at this location we can not hold all the products we would like,
however these products are available from other Nuway stores locations which we can delivered for you.